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Post by markus on Feb 17, 2009 18:51:10 GMT 1
I was thinking that i could cut out a section in the middle of the shafts and bond the end parts back together and setting the joint in epoxy resin. This would ensure I keep the end parts at both ends intact. sorry to disappoint you, but this would create a propshaft with 4mm diameter at the end (instead of 3mm when using brass tubing) the plastic propshaft supports are approx. 5mm diameter at the end - i'm afraid you'll mess up the plastic supports trying to drill a 4mm hole into 5mm diameter plastic... markus
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Post by eric on Feb 18, 2009 1:25:19 GMT 1
Ah, no, I appreciate I'll need to use brass tubing in the A frame supports and inside the shaft supports Markus.
What I ment was to shorten the shaft by cutting out a section in the middle, with the shaft terminating inside the support as in your photo, but removing the middle section of the shaft will mean that the little bearings in both ends of the shafts will still be there, rather than a big hole at one end!
I would just ned to be sure I get it all straight.......
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Post by markus on Feb 18, 2009 8:33:06 GMT 1
there's no big hole at the end - the brass tubing which extends the propshaft has an inner diameter of 2,1mm just like the bearings
markus
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Post by cabbage69 on Feb 21, 2009 17:46:37 GMT 1
Having fitted the running gear successfully, rudders are fine, but only seem to have forward, doesn't matter what configurations I try still can't find reverse. Any suggestion?
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Post by markus on Feb 21, 2009 19:29:21 GMT 1
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Post by Mark on Feb 21, 2009 19:49:15 GMT 1
Ah, no, I appreciate I'll need to use brass tubing in the A frame supports and inside the shaft supports Markus. What I ment was to shorten the shaft by cutting out a section in the middle, with the shaft terminating inside the support as in your photo, but removing the middle section of the shaft will mean that the little bearings in both ends of the shafts will still be there, rather than a big hole at one end! I would just ned to be sure I get it all straight....... To shorten the shaft, cut it to the length that you need. You should be able to push the bearing out of the cut off end and push it back into the bit of tube that you're going to use. The bearings are usually only a push fit so should come out and go back in without too much trouble. A bit of Locktite will hold it is it is a little loose afterwards.
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Post by eric on Feb 23, 2009 0:02:26 GMT 1
Ah! cheers for that Mark, I'll have a bash, and a thump , and a hammer at it......!
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Post by matt on Apr 22, 2009 21:55:24 GMT 1
I like the idea of stretching the servos. I have spent some time trying to find the 5k 63X502 spectrol's shown by Markus. All I can find are round types and would prefers the square as shown by Markus. I like the way they are fixed and easy to adjust. Any ideas where I can purchase some?
Matt
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Post by eric on May 12, 2009 18:50:38 GMT 1
Markus, I will soon be in a position (finally!!!) to bath test my Bismarck, now that I've put on the propshafts, fairings and A frame brackets.
My question is, what is the best lubricant to feed into the shafts to stop water leaking through and into my hull?
I know it has been asked before, but for the life of me I can't find it!!!
Cheers, Eric.
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Post by markus on May 12, 2009 19:11:27 GMT 1
you can use any kind of grease
i used car wheel bearing grease which works well
you can also use grease from graupner (order no. 570), but this stuff is more expensive
markus
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Post by Mark on May 12, 2009 20:18:26 GMT 1
I used ordinary multipurpose grease from Halfords on the Tiger Shark. Might be worth mounting a spray guard, at least temporily,, er temporarily ?? I ended up with a nice ring of grease sprayed round the inside of the hull where the excess sprayed out !!
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Post by rem2007 on May 12, 2009 22:28:49 GMT 1
Hi Eric,
Nice job on the prop shafts and a frames. As far as lubricating the prop shafts, it can be determined by how often you run her in water. As you don't have lubrication points directly on the shafts you could just use a drop or two of oil each time you go out, thats if there already packed, the grease Markus mentioned is good as well, but can be laborious to do.
Just remember, salt water and rc boats don't mix well.
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Post by eric on May 12, 2009 22:58:33 GMT 1
Just remember, salt water and rc boats don't mix well. Good advice Robert, not to mention that 1/200 models and 1000 ton Cal-Mac ferries thundering past don't mix to well either!!!!!
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Post by rem2007 on May 13, 2009 18:05:50 GMT 1
.....what a vision, hey mate get away from my toy boat!
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Post by danny on May 14, 2009 6:31:32 GMT 1
Hey Markus, did you use your paper sheet for positioning the hull steps ( steigeisen) yet? if not, would it be possible that you make a copy of it and post it here? This because I'm finishing my entire hull in advance. Danny
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